Privilege escalation in Siemens SCALANCE X Switches



Published: 2020-02-12
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-13924
CWE-ID CWE-693
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		SCALANCE X-200
Hardware solutions / Routers & switches, VoIP, GSM, etc

SCALANCE X-200 IRT
Hardware solutions / Routers & switches, VoIP, GSM, etc

SCALANCE X-300
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor Siemens

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Protection Mechanism Failure

EUVDB-ID: #VU25260

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2019-13924

CWE-ID: CWE-693 - Protection Mechanism Failure

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to the affected device does not send the X-Frame-Option header in the administrative web interface. A remote attacker can perform a click-jacking attack, bypass implemented security restrictions and elevate privileges on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

SCALANCE X-200: before 5.2.4

SCALANCE X-200 IRT: All versions

SCALANCE X-300: before 4.1.3

CPE2.3 External links

http://cert-portal.siemens.com/productcert/pdf/ssa-951513.pdf


Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?



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